%0 Journal Article %A FEIX, BIRTE %A PEDERSEN, HENRIK %T HYPERKÄHLER STRUCTURES WITH TORSION ON NILPOTENT LIE GROUPS %J Glasgow mathematical journal %D 2003 %P 189-198 %V 45 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089502001155/ %R 10.1017/S0017089502001155 %F 10_1017_S0017089502001155